can you select on an OID?

Here's what I'm really trying to do:

I want to insert a row; one of the items in the row is of
type SERIAL.  After I insert the row, I want to know what
value was assigned to the SERIAL item, call it the f_id.

I'm doing this from a C program.  I can get the oidvalue,
and it should be unique long enough for me to get the f_id.
once I have the f_id, i'm okay.  I won't try to use the oid again.

Is there some way to get the just computed value for the SERIAL?
Do I need to select the f_id from files where oid=?
I can't figure out the select syntax if i do.

SELECT f_id FROM files WHERE ?? oid=8675309??

I'm in trouble after the WHERE.

j.

--
Jay Scott        512-835-3553        gl@arlut.utexas.edu
Head of Sun Support, Sr. Operating Systems Specialist
Applied Research Labs, Computer Science Div.                   S224
University of Texas at Austin